Model class without restraints from initial pdb  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/6qcm_4508/12_2023/6qcm_4508.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/6qcm_4508/12_2023/6qcm_4508.map 4.21
Traceback (most recent call last):
  File "/net/marbles/raid1/dorothee/rerefine/cryoem/rerefine_script.py", line 952, in get_composition
    log              = null_out())
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/mmtbx/model/model.py", line 275, in __init__
    inp_cs = self._model_input.crystal_symmetry()
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/iotbx/pdb/__init__.py", line 1236, in crystal_symmetry
    self_symmetry = self.crystal_symmetry_from_cryst1()
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/iotbx/pdb/__init__.py", line 1213, in crystal_symmetry_from_cryst1
    return cryst1_interpretation.crystal_symmetry(cryst1_record=line)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/iotbx/pdb/cryst1_interpretation.py", line 118, in crystal_symmetry
    cryst1_record = iotbx.pdb.records.cryst1(pdb_str=cryst1_record)
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/iotbx/pdb/records.py", line 90, in __init__
    self.raise_FormatError("Corrupt unit cell parameters")
  File "/net/cci-filer2/raid1/xp/phenix/phenix-1.21rc1-5172/modules/cctbx_project/iotbx/pdb/records.py", line 15, in raise_FormatError
    raise FormatError('%s:\n  "%s"' % (msg, self.pdb_str))
FormatError: Corrupt unit cell parameters:
  "CRYST1168100.000168100.000168100.000  90.00  90.00  90.00 P 1                   "